JP2015506557A5 - - Google Patents

Claims (12)

In an X-ray rotating anode comprising a ring-shaped focal track (16), the surface of the focal track having a directional grinding structure (18; 22),
The grinding structure; orientation (18 22), beyond the radial extent of and the focal track beyond the periphery of said ring-shaped focal track (16) (16), the reference tangential direction at each surface portion (8 X-ray rotating anode, wherein the anode is inclined at an angle within a range of 15 ° to 90 °. Beyond a radial extent of and the focal track beyond the periphery of said ring-shaped focal track (16) (16), the grinding structures (18; 22) the reference tangential orientation in each surface portion (8) The X-ray rotating anode according to claim 1, wherein each of the X-ray rotating anodes is inclined at an angle within a range of 35 ° to 70 °. The grinding structures (22) according to claim 1 or 2 X-ray rotary anode according to, characterized in that it has a substantially linear shape, respectively with directionality. From the inside along the radial direction (10) outwardly beyond the radial extent of the focal track (16), the direction and the reference tangential direction of the grinding structure in each surface portion (18) (8) The X-ray rotating anode according to claim 1, wherein the angle between is reduced. The grinding structure; located in (18 22) within the average surface roughness Ra of 0.05μm or more 0.5μm or less in the region of the orientation of the grinding structure to determine the average surface roughness X-ray rotating anode according to one of claims 1 to 4, characterized in that a linear measuring section which extends perpendicularly to the vertical axis is used. The grinding structures (18; 22) is X-ray rotary anode according to one of claims 1 to 5, characterized in that it extends beyond the region of the focal track (16). The focal track material in the region of the focal track (16), X-rays a rotating anode according to one of claims 1 to 6, characterized in that it is formed by a tungsten or tungsten-based alloy. Support (12), and that has a support (12) focal track coating formed on the (14), Mashimashi the focal track (16) extending over its focal track coating (14) The X-ray rotary anode according to claim 1, wherein In the region of at least the ring-shaped focal track of the X-ray rotary anode (2) (16), the directional of certain grinding structure; (18 22), the grinding structure; orientation the ring of (18 22) Within the range of 15 ° or more and 90 ° or less relative to the reference tangential direction (8) at each surface portion beyond the periphery of the focal track (16) and beyond the radial extent of the focal track (16). A method for producing an X-ray rotating anode (2), wherein the X-ray rotating anode (2) is formed so as to be inclined at an angle. Claims forming a; (22 18), characterized in that the last processing step of removing material in the region of the focal track surface during manufacture of the X-ray rotary anode (2) the grinding structure 9. The method according to 9. 11. Method according to claim 9 or 10, characterized in that the grinding structure (18; 22) is formed by grinding. The grinding structure; to form a (18 22), the grinding surface of the grinding body is moved to at least partially radial (10), and the grinding body and the focal track (16) is relatively peripheral to one another 12. The method according to claim 9, wherein the grinding body is moved so as to be moved in a direction.